The co-evolution of social behavior and cranial morphology in sheep and goats (Bovidae, caprini) [by] William M. Schaffer and Charles A. Reed.

v.61(1971)

Social feeding behavior of birds.

v.36:no.1(1954)

The Tinguian; social, religious, and economic life of a Philippine tribe / by Fay-Cooper Cole -- with a chapter on music by Albert Gale, 83 plates and 26 text-figures -- Berthold Laufer --

v.14:no.2(1922)